Weather forecast for 10 daysCoulee Dam, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 55°
- Humidity: 43%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:01 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine will prevail for most of the day.
Temperature is expected to swing from a high of an enjoyable 66.2°F to a low of an icy 41°F.
Tomorrow, the predicted high of 66.2°F is expected to reflect September's average high of 72.7°F.
Sunrise will be at 7:20 am and sunset at 6:01 pm; tomorrow's daylight will last for 10h and 42min.
Temperature is expected to swing from a high of an enjoyable 66.2°F to a low of an icy 41°F.
Tomorrow, the predicted high of 66.2°F is expected to reflect September's average high of 72.7°F.
Sunrise will be at 7:20 am and sunset at 6:01 pm; tomorrow's daylight will last for 10h and 42min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 70°C.
Coldest day: Sunday 25.10. 55°C.
Coldest day: Sunday 25.10. 55°C.
Chance of precipitation
Highest chance: Sunday 25.10. 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNW 322°
- Humidity: 59%
- UV index: 0
- Sunrise: 7:18 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 55°
- Humidity: 43%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:01 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 39°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 350°
- Humidity: 45%
- UV index: 1
- Sunrise: 7:21 am PDT
- Sunset: 5:59 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 41°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNNW 334°
- Humidity: 45%
- UV index: 2
- Sunrise: 7:23 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 104°
- Humidity: 48%
- UV index: 2
- Sunrise: 7:24 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 5mphNW 322°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:26 am PDT
- Sunset: 5:54 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 63°F
- 36°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphWNW 302°
- Humidity: 45%
- UV index: 2
- Sunrise: 7:27 am PDT
- Sunset: 5:52 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphENE 75°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:29 am PDT
- Sunset: 5:50 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 55°F
- 37°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphNE 37°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:30 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 5mphE 99°
- Humidity: 62%
- UV index: 2
- Sunrise: 7:32 am PDT
- Sunset: 5:47 pm PDT
- details ▼
Throughout the next ten days, a combination of dull and sunny weather is expected.
Rain is not anticipated in Coulee Dam in the upcoming period.
Noticeable swings in temperature are expected in the next ten days. Maximum temperatures are forecasted between 55.4°F and 69.8°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 32°F and 44.6°F.
Tuesday and Wednesday, with the highest temperature of 69.8°F, will be the warmest days in Coulee Dam; next Sunday will be the coldest day, with the highest temperature of 55.4°F.
Rain is not anticipated in Coulee Dam in the upcoming period.
Noticeable swings in temperature are expected in the next ten days. Maximum temperatures are forecasted between 55.4°F and 69.8°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 32°F and 44.6°F.
Tuesday and Wednesday, with the highest temperature of 69.8°F, will be the warmest days in Coulee Dam; next Sunday will be the coldest day, with the highest temperature of 55.4°F.
Updated: Oct 18, 2026 @ 04:20:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, expect plenty of sunshine and only a few scattered clouds.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 41°F.
The maximum temperature will be noticeably higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.4°F.
The maximum temperature will be noticeably higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.4°F.
On Sunday, in Coulee Dam, sunrise will be at 7:20 am and sunset at 6:01 pm (PDT).
In Coulee Dam, tomorrow, there will be 10h and 42min of daylight.
